C
Chris Smith
Guest
About a year ago, news of the first coronavirus vaccine candidates emerged, with researchers saying that the COVID-19 vaccines would take anywhere from 12 to 18 months to prepare. Hundreds of vaccine candidates appeared after that, and by the end of 2020, the world already had several front-runners. Some of them had even cleared clinical trials successfully. A few vaccine candidates failed along the way and were abandoned. Others finished Phase 3 trials in early 2021, and several vaccines are already in use in many countries. In fact, more than 312 million vaccine doses have been used worldwide, with over 186 million people having received at least one dose at the time of this writing. Pfizer/BioNTech, Moderna, AstraZeneca/Oxford, and Johnson & Johnson are some of the companies with drugs that are being used in North America, Europe, Israel, and other countries. China and Russia have their own COVID-19 vaccines, some of which have been sold to other nations.
But early 2021 also showed us that vaccine research shouldn’t stop just because there are some highly effective options being distributed. The coronavirus continues to mutate, and some of the recently discovered strains can reduce the efficacy of these first-generation COVID-19 vaccines. The existing drugs might need to be updated to better deal with whatever mutation becomes dominant in the future. Separately, other vaccine research projects are still underway, which could deliver even more vaccination options to help beat the pandemic. Now, researchers in Finland are developing a new type of COVID-19 vaccine — a candidate that doesn’t even require an injection.
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This coronavirus vaccine doesn’t even need an injection originally appeared on BGR.com on Tue, 9 Mar 2021 at 15:27:25 EDT. Please see our terms for use of feeds.
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